Turk, Amos. <br/><br/>
Ecology, pollution, environment / 
Amos Turk, Jonathan Turk and Janet T. Wittes. 
 - Philadelphia :  Saunders,  1972. 
 - ix, 217 p. :  illus. ;  23 cm. 
 - Sunders golden series .
<br/><br/>Includes bibliographies. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>LCCN: </label>74176218  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution.<br/>Ecology.<br/>Population.